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marissa [1.9K]
3 years ago
15

When the outliers are removed, how does the mean change?

Mathematics
1 answer:
Natalka [10]3 years ago
8 0

Answer:

Removing the outlier decreases the number of data by one and therefore you must decrease the divisor. For instance, when you find the mean of 0,10,10,12,12, you must divide the sum by 5, but when you remove the outlier of 0,you must then divide by 4.

Step-by-step explanation:

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1. y &gt; 2x + 3 graph it, <br> 2. 3x + y = 4 and x - y = 0, solve for x.
kirza4 [7]

Answer:

  1. see the attachment
  2. (x, y) = (1, 1)

Step-by-step explanation:

1. Since you have y > ..., the boundary line is dashed and the shading is above it (for y-values greater than the values on the line). The boundary line is ...

  y = 2x+3

which has a y-intercept of 3 and a slope (rise/run) of 2. A graph is attached.

__

2. You can add the two equations to eliminate y:

  (3x +y) +(x -y) = (4) +(0)

  4x = 4

  x = 1

  1 - y = 0 . . . . substitute into the the second equation

  1 = y . . . . . . . add y

The solution is (x, y) = (1, 1).

8 0
4 years ago
What is the area of this triangle?
Nikolay [14]

Answer:13.1

Step-by-step explanation:

Area equation:S=S=\frac{1}{2} ab sinθ

4 0
2 years ago
What is the value of n? 9×27+2×31-28=
zepelin [54]
If you use PEMDAS: Parentheses, Exponents, Multiply, Divide, Add, Subtract for order of operations your answer will be 277
9x27+2x31-28
243+62-28
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6 0
3 years ago
**FIRST CORRECT ANSWER GETS BRAINLEST**
puteri [66]

Answer:

C.) y = 5/4 x

Step-by-step explanation:

5/4 multiplied by 0.4 is 0.5

7 0
3 years ago
Can anyone help me find x
Vsevolod [243]
  • the measure of the alternate angle to 10° is equal to 10°
  • therefore sin(10)=400/X
  • therefore X=sin(10)x400=69.4

6 0
3 years ago
Read 2 more answers
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